diff options
Diffstat (limited to 'math/libm-test.c')
| -rw-r--r-- | math/libm-test.c | 287 |
1 files changed, 187 insertions, 100 deletions
diff --git a/math/libm-test.c b/math/libm-test.c index be75383..5bf968f 100644 --- a/math/libm-test.c +++ b/math/libm-test.c @@ -47,8 +47,8 @@ ilogb, isfinite, isinf, isnan, isnormal, ldexp, lgamma, log, log10, log1p, log2, logb, modf, nearbyint, nextafter, - pow, remainder, remquo, rint, rinttol, rinttoll, - round, roundtol, roundtoll, + pow, remainder, remquo, rint, lrint, llrint, + round, lround, llround, scalb, scalbn, signbit, sin, sincos, sinh, sqrt, tan, tanh, trunc and for the following complex math functions: @@ -593,6 +593,35 @@ check_int (const char *test_name, int computed, int expected) fpstack_test (test_name); } +static void +check_int_exc (const char *test_name, int computed, int expected, + short exception) +{ + int diff = computed - expected; + int result = diff == 0; + + output_new_test (test_name); + test_exceptions (test_name, exception); + + if (result) + { + output_pass_value (); + } + else + { + output_fail_value (test_name); + if (verbose > 1) + { + printf ("Result:\n"); + printf (" is: %d\n", computed); + printf (" should be: %d\n", expected); + } + noErrors++; + } + + fpstack_test (test_name); +} + /* check that computed and expected values are equal (long int values) @@ -953,7 +982,9 @@ atan2_test (void) static void atanh_test (void) { +#ifndef TEST_INLINE MATHTYPE x; +#endif check ("atanh(+0) == +0", FUNC(atanh) (0), 0); #ifndef TEST_INLINE @@ -1089,7 +1120,7 @@ static void exp2_test (void) { errno = 0; - exp2(0); + FUNC(exp2) (0); if (errno == ENOSYS) /* Function not implemented. */ return; @@ -1257,7 +1288,6 @@ signbit_test (void) check_bool ("signbit (-0) != 0", signbit (minus_zero)); check_bool ("signbit (+inf) == 0", signbit (plus_infty) == 0); check_bool ("signbit (-inf) != 0", signbit (minus_infty)); - check_bool ("signbit (NaN) == 0", signbit (nan_value)); x = random_less (0); check_bool ("signbit (x) != 0 for x < 0", signbit (x)); @@ -1272,21 +1302,26 @@ signbit_test (void) static void gamma_test (void) { - MATHTYPE x; + errno = 0; + FUNC(gamma) (0); + if (errno == ENOSYS) + /* Function not implemented. */ + return; + feclearexcept (FE_ALL_EXCEPT); check_isinfp ("gamma (+inf) == +inf", FUNC(gamma) (plus_infty)); check_isnan_exc ("gamma (0) == NaN plus invalid exception", FUNC(gamma) (0), INVALID_EXCEPTION); - x = random_less (0.0); - check_isnan_exc_ext ("gamma (x) == NaN plus invalid exception for x <= 0", - FUNC(gamma) (x), INVALID_EXCEPTION, x); + check_isnan_exc_ext ("gamma (x) == NaN plus invalid exception for integer x <= 0", + FUNC(gamma) (-2), INVALID_EXCEPTION, -2); check_isnan_exc ("gamma (-inf) == NaN plus invalid exception", FUNC(gamma) (minus_infty), INVALID_EXCEPTION); - check ("gamma (0.5) == sqrt(pi)", FUNC(gamma) (0.5), FUNC(sqrt) (M_PI)); - check ("gamma (-0.5) == -2*sqrt(pi)", FUNC(gamma) (-0.5), - -2*FUNC(sqrt) (M_PI)); + check_eps ("gamma (0.5) == sqrt(pi)", FUNC(gamma) (0.5), FUNC(sqrt) (M_PI), + CHOOSE (0, 5e-16, 2e-7)); + check_eps ("gamma (-0.5) == -2*sqrt(pi)", FUNC(gamma) (-0.5), + -2*FUNC(sqrt) (M_PI), CHOOSE (0, 5e-16, 3e-7)); check ("gamma (1) == 1", FUNC(gamma) (1), 1); check ("gamma (4) == 6", FUNC(gamma) (4), 6); @@ -1297,15 +1332,19 @@ gamma_test (void) static void lgamma_test (void) { - MATHTYPE x; + errno = 0; + FUNC(lgamma) (0); + if (errno == ENOSYS) + /* Function not implemented. */ + return; + feclearexcept (FE_ALL_EXCEPT); check_isinfp ("lgamma (+inf) == +inf", FUNC(lgamma) (plus_infty)); - check_isnan_exc ("lgamma (0) == +inf plus divide by zero exception", - FUNC(lgamma) (0), DIVIDE_BY_ZERO_EXCEPTION); + check_isinfp_exc ("lgamma (0) == +inf plus divide by zero exception", + FUNC(lgamma) (0), DIVIDE_BY_ZERO_EXCEPTION); - x = random_less (0.0); - check_isnan_exc_ext ("lgamma (x) == +inf plus divide by zero exception for x <= 0", - FUNC(lgamma) (x), DIVIDE_BY_ZERO_EXCEPTION, x); + check_isinfp_exc ("lgamma (x) == +inf plus divide by zero exception for integer x <= 0", + FUNC(lgamma) (-3), DIVIDE_BY_ZERO_EXCEPTION); check_isnan_exc ("lgamma (-inf) == NaN plus invalid exception", FUNC(lgamma) (minus_infty), INVALID_EXCEPTION); @@ -1331,23 +1370,15 @@ static void ilogb_test (void) { - /* XXX Are these tests correct? I couldn't find any specification */ -#if 0 - /* the source suggests that the following calls should fail - - but shall we test these special cases or just ignore them? */ - check_isinfp ("ilogb (+inf) == +inf", FUNC(ilogb) (plus_infty)); - check_isinfp ("ilogb (-inf) == +inf", FUNC(ilogb) (minus_infty)); - - check_isinfn_exc ("ilogb (+0) == -inf plus divide-by-zero exception", - FUNC(ilogb) (0), DIVIDE_BY_ZERO_EXCEPTION); + check_int ("ilogb (1) == 0", FUNC(ilogb) (1), 0); + check_int ("ilogb (e) == 1", FUNC(ilogb) (M_E), 1); + check_int ("ilogb (1024) == 10", FUNC(ilogb) (1024), 10); + check_int ("ilogb (-2000) == 10", FUNC(ilogb) (-2000), 10); - check_isinfn_exc ("ilogb (-0) == -inf plus divide-by-zero exception", - FUNC(ilogb) (minus_zero), DIVIDE_BY_ZERO_EXCEPTION); -#endif - check ("ilogb (1) == 0", FUNC(ilogb) (1), 0); - check ("ilogb (e) == 1", FUNC(ilogb) (M_E), 1); - check ("ilogb (1024) == 10", FUNC(ilogb) (1024), 10); - check ("ilogb (-2000) == 10", FUNC(ilogb) (-2000), 10); + check_int_exc ("ilogb (0) == FP_ILOGB0", FUNC(ilogb) (0.0), FP_ILOGB0, + DIVIDE_BY_ZERO_EXCEPTION|INVALID_EXCEPTION); + check_int_exc ("ilogb (NaN) == FP_ILOGBNAN", FUNC(ilogb) (nan_value), + FP_ILOGBNAN, INVALID_EXCEPTION); } @@ -1526,17 +1557,72 @@ scalb_test (void) { MATHTYPE x; - check ("scalb (0, 0) == 0", FUNC(scalb) (0, 0), 0); + check_isnan ("scalb (2, 0.5) == NaN", FUNC(scalb) (2, 0.5)); + check_isnan ("scalb (3, -2.5) == NaN", FUNC(scalb) (3, -2.5)); + + check_isnan ("scalb (0, NaN) == NaN", FUNC(scalb) (0, nan_value)); + check_isnan ("scalb (1, NaN) == NaN", FUNC(scalb) (1, nan_value)); + + x = random_greater (0.0); + check ("scalb (x, 0) == 0", FUNC(scalb) (x, 0), x); + x = random_greater (0.0); + check ("scalb (-x, 0) == 0", FUNC(scalb) (-x, 0), -x); + + check_isnan_exc ("scalb (+0, +inf) == NaN plus invalid exception", + FUNC(scalb) (0, plus_infty), INVALID_EXCEPTION); + check_isnan_exc ("scalb (-0, +inf) == NaN plus invalid exception", + FUNC(scalb) (minus_zero, plus_infty), INVALID_EXCEPTION); + + check ("scalb (+0, 2) == +0", FUNC(scalb) (0, 2), 0); + check ("scalb (-0, 4) == -0", FUNC(scalb) (minus_zero, -4), minus_zero); + check ("scalb (+0, 0) == +0", FUNC(scalb) (0, 0), 0); + check ("scalb (-0, 0) == -0", FUNC(scalb) (minus_zero, 0), minus_zero); + check ("scalb (+0, -1) == +0", FUNC(scalb) (0, -1), 0); + check ("scalb (-0, -10) == -0", FUNC(scalb) (minus_zero, -10), minus_zero); + check ("scalb (+0, -inf) == +0", FUNC(scalb) (0, minus_infty), 0); + check ("scalb (-0, -inf) == -0", FUNC(scalb) (minus_zero, minus_infty), + minus_zero); + + check_isinfp ("scalb (+inf, -1) == +inf", FUNC(scalb) (plus_infty, -1)); + check_isinfn ("scalb (-inf, -10) == -inf", FUNC(scalb) (minus_infty, -10)); + check_isinfp ("scalb (+inf, 0) == +inf", FUNC(scalb) (plus_infty, 0)); + check_isinfn ("scalb (-inf, 0) == -inf", FUNC(scalb) (minus_infty, 0)); + check_isinfp ("scalb (+inf, 2) == +inf", FUNC(scalb) (plus_infty, 2)); + check_isinfn ("scalb (-inf, 100) == -inf", FUNC(scalb) (minus_infty, 100)); + + check ("scalb (0, -inf) == 0", FUNC(scalb) (0.0, minus_infty), 0.0); + check ("scalb (-0, -inf) == -0", FUNC(scalb) (minus_zero, minus_infty), + minus_zero); + x = random_greater (0.0); + check ("scalb (x, -inf) == 0", FUNC(scalb) (x, minus_infty), 0.0); + check ("scalb (-x, -inf) == -0", FUNC(scalb) (-x, minus_infty), minus_zero); + + x = random_greater (0.0); + check_isinfp ("scalb (x, +inf) == +inf", FUNC(scalb) (x, plus_infty)); + x = random_greater (0.0); + check_isinfn ("scalb (-x, +inf) == -inf", FUNC(scalb) (-x, plus_infty)); + check_isinfp ("scalb (+inf, +inf) == +inf", + FUNC(scalb) (plus_infty, plus_infty)); + check_isinfn ("scalb (-inf, +inf) == -inf", + FUNC(scalb) (minus_infty, plus_infty)); + + check_isnan ("scalb (+inf, -inf) == NaN", + FUNC(scalb) (plus_infty, minus_infty)); + check_isnan ("scalb (-inf, -inf) == NaN", + FUNC(scalb) (minus_infty, minus_infty)); - check_isinfp ("scalb (+inf, 1) == +inf", FUNC(scalb) (plus_infty, 1)); - check_isinfn ("scalb (-inf, 1) == -inf", FUNC(scalb) (minus_infty, 1)); check_isnan ("scalb (NaN, 1) == NaN", FUNC(scalb) (nan_value, 1)); + check_isnan ("scalb (1, NaN) == NaN", FUNC(scalb) (1, nan_value)); + check_isnan ("scalb (NaN, 0) == NaN", FUNC(scalb) (nan_value, 0)); + check_isnan ("scalb (0, NaN) == NaN", FUNC(scalb) (0, nan_value)); + check_isnan ("scalb (NaN, +inf) == NaN", + FUNC(scalb) (nan_value, plus_infty)); + check_isnan ("scalb (+inf, NaN) == NaN", + FUNC(scalb) (plus_infty, nan_value)); + check_isnan ("scalb (NaN, NaN) == NaN", FUNC(scalb) (nan_value, nan_value)); check ("scalb (0.8, 4) == 12.8", FUNC(scalb) (0.8L, 4), 12.8L); check ("scalb (-0.854375, 5) == -27.34", FUNC(scalb) (-0.854375L, 5), -27.34L); - - x = random_greater (0.0); - check_ext ("scalb (x, 0) == x", FUNC(scalb) (x, 0L), x, x); } @@ -1630,14 +1716,15 @@ sincos_test (void) check ("sincos (pi/2, &sin, &cos) puts 1 in sin", sin_res, 1); fesetenv (&fenv); check_eps ("sincos (pi/2, &sin, &cos) puts 0 in cos", cos_res, 0, - CHOOSE(0, 1e-16, 1e-7)); + CHOOSE (1e-18L, 1e-16, 1e-7)); FUNC(sincos) (M_PI / 6.0, &sin_res, &cos_res); - check ("sincos (pi/6, &sin, &cos) puts 0.5 in sin", sin_res, 0.5); + check_eps ("sincos (pi/6, &sin, &cos) puts 0.5 in sin", sin_res, 0.5, + CHOOSE (5e-18L, 0, 0)); FUNC(sincos) (M_PI / 3.0, &sin_res, &cos_res); check_eps ("sincos (pi/3, &sin, &cos) puts 0.5 in cos", cos_res, 0.5, - CHOOSE(0, 1e-15, 1e-7)); + CHOOSE (5e-18L, 1e-15, 1e-7)); } @@ -2045,13 +2132,13 @@ fmod_test (void) FUNC(fmod) (x, minus_infty), x, x); check_eps ("fmod (6.5, 2.3) == 1.9", FUNC(fmod) (6.5, 2.3), 1.9, - CHOOSE(0, 1e-15, 0)); + CHOOSE(5e-16, 1e-15, 2e-7)); check_eps ("fmod (-6.5, 2.3) == -1.9", FUNC(fmod) (-6.5, 2.3), -1.9, - CHOOSE(0, 1e-15, 0)); + CHOOSE(5e-16, 1e-15, 2e-7)); check_eps ("fmod (6.5, -2.3) == 1.9", FUNC(fmod) (6.5, -2.3), 1.9, - CHOOSE(0, 1e-15, 0)); + CHOOSE(5e-16, 1e-15, 2e-7)); check_eps ("fmod (-6.5, -2.3) == -1.9", FUNC(fmod) (-6.5, -2.3), -1.9, - CHOOSE(0, 1e-15, 0)); + CHOOSE(5e-16, 1e-15, 2e-7)); } @@ -4355,44 +4442,44 @@ rint_test (void) static void -rinttol_test (void) +lrint_test (void) { /* XXX this test is incomplete. We need to have a way to specifiy the rounding method and test the critical cases. So far, only unproblematic numbers are tested. */ - check_long ("rinttol(0) = 0", rinttol (0.0), 0); - check_long ("rinttol(-0) = 0", rinttol (minus_zero), 0); - check_long ("rinttol(0.2) = 0", rinttol (0.2), 0); - check_long ("rinttol(-0.2) = 0", rinttol (-0.2), 0); + check_long ("lrint(0) = 0", lrint (0.0), 0); + check_long ("lrint(-0) = 0", lrint (minus_zero), 0); + check_long ("lrint(0.2) = 0", lrint (0.2), 0); + check_long ("lrint(-0.2) = 0", lrint (-0.2), 0); - check_long ("rinttol(1.4) = 1", rinttol (1.4), 1); - check_long ("rinttol(-1.4) = -1", rinttol (-1.4), -1); + check_long ("lrint(1.4) = 1", lrint (1.4), 1); + check_long ("lrint(-1.4) = -1", lrint (-1.4), -1); - check_long ("rinttol(8388600.3) = 8388600", rinttol (8388600.3), 8388600); - check_long ("rinttol(-8388600.3) = -8388600", rinttol (-8388600.3), + check_long ("lrint(8388600.3) = 8388600", lrint (8388600.3), 8388600); + check_long ("lrint(-8388600.3) = -8388600", lrint (-8388600.3), -8388600); } static void -rinttoll_test (void) +llrint_test (void) { /* XXX this test is incomplete. We need to have a way to specifiy the rounding method and test the critical cases. So far, only unproblematic numbers are tested. */ - check_longlong ("rinttoll(0) = 0", rinttoll (0.0), 0); - check_longlong ("rinttoll(-0) = 0", rinttoll (minus_zero), 0); - check_longlong ("rinttoll(0.2) = 0", rinttoll (0.2), 0); - check_longlong ("rinttoll(-0.2) = 0", rinttoll (-0.2), 0); + check_longlong ("llrint(0) = 0", llrint (0.0), 0); + check_longlong ("llrint(-0) = 0", llrint (minus_zero), 0); + check_longlong ("llrint(0.2) = 0", llrint (0.2), 0); + check_longlong ("llrint(-0.2) = 0", llrint (-0.2), 0); - check_longlong ("rinttoll(1.4) = 1", rinttoll (1.4), 1); - check_longlong ("rinttoll(-1.4) = -1", rinttoll (-1.4), -1); + check_longlong ("llrint(1.4) = 1", llrint (1.4), 1); + check_longlong ("llrint(-1.4) = -1", llrint (-1.4), -1); - check_longlong ("rinttoll(8388600.3) = 8388600", rinttoll (8388600.3), + check_longlong ("llrint(8388600.3) = 8388600", llrint (8388600.3), 8388600); - check_longlong ("rinttoll(-8388600.3) = -8388600", rinttoll (-8388600.3), + check_longlong ("llrint(-8388600.3) = -8388600", llrint (-8388600.3), -8388600); } @@ -4416,45 +4503,45 @@ round_test (void) static void -roundtol_test (void) +lround_test (void) { - check_long ("roundtol(0) = 0", roundtol (0), 0); - check_long ("roundtol(-0) = 0", roundtol (minus_zero), 0); - check_long ("roundtol(0.2) = 0", roundtol (0.2), 0.0); - check_long ("roundtol(-0.2) = 0", roundtol (-0.2), 0); - check_long ("roundtol(0.5) = 1", roundtol (0.5), 1); - check_long ("roundtol(-0.5) = -1", roundtol (-0.5), -1); - check_long ("roundtol(0.8) = 1", roundtol (0.8), 1); - check_long ("roundtol(-0.8) = -1", roundtol (-0.8), -1); - check_long ("roundtol(1.5) = 2", roundtol (1.5), 2); - check_long ("roundtol(-1.5) = -2", roundtol (-1.5), -2); - check_long ("roundtol(2097152.5) = 2097153", roundtol (2097152.5), 2097153); - check_long ("roundtol(-2097152.5) = -2097153", roundtol (-2097152.5), + check_long ("lround(0) = 0", lround (0), 0); + check_long ("lround(-0) = 0", lround (minus_zero), 0); + check_long ("lround(0.2) = 0", lround (0.2), 0.0); + check_long ("lround(-0.2) = 0", lround (-0.2), 0); + check_long ("lround(0.5) = 1", lround (0.5), 1); + check_long ("lround(-0.5) = -1", lround (-0.5), -1); + check_long ("lround(0.8) = 1", lround (0.8), 1); + check_long ("lround(-0.8) = -1", lround (-0.8), -1); + check_long ("lround(1.5) = 2", lround (1.5), 2); + check_long ("lround(-1.5) = -2", lround (-1.5), -2); + check_long ("lround(2097152.5) = 2097153", lround (2097152.5), 2097153); + check_long ("lround(-2097152.5) = -2097153", lround (-2097152.5), -2097153); } static void -roundtoll_test (void) +llround_test (void) { - check_longlong ("roundtoll(0) = 0", roundtoll (0), 0); - check_longlong ("roundtoll(-0) = 0", roundtoll (minus_zero), 0); - check_longlong ("roundtoll(0.2) = 0", roundtoll (0.2), 0.0); - check_longlong ("roundtoll(-0.2) = 0", roundtoll (-0.2), 0); - check_longlong ("roundtoll(0.5) = 1", roundtoll (0.5), 1); - check_longlong ("roundtoll(-0.5) = -1", roundtoll (-0.5), -1); - check_longlong ("roundtoll(0.8) = 1", roundtoll (0.8), 1); - check_longlong ("roundtoll(-0.8) = -1", roundtoll (-0.8), -1); - check_longlong ("roundtoll(1.5) = 2", roundtoll (1.5), 2); - check_longlong ("roundtoll(-1.5) = -2", roundtoll (-1.5), -2); - check_longlong ("roundtoll(2097152.5) = 2097153", - roundtoll (2097152.5), 2097153); - check_longlong ("roundtoll(-2097152.5) = -2097153", - roundtoll (-2097152.5), -2097153); - check_longlong ("roundtoll(34359738368.5) = 34359738369", - roundtoll (34359738368.5), 34359738369ll); - check_longlong ("roundtoll(-34359738368.5) = -34359738369", - roundtoll (-34359738368.5), -34359738369ll); + check_longlong ("llround(0) = 0", llround (0), 0); + check_longlong ("llround(-0) = 0", llround (minus_zero), 0); + check_longlong ("llround(0.2) = 0", llround (0.2), 0.0); + check_longlong ("llround(-0.2) = 0", llround (-0.2), 0); + check_longlong ("llround(0.5) = 1", llround (0.5), 1); + check_longlong ("llround(-0.5) = -1", llround (-0.5), -1); + check_longlong ("llround(0.8) = 1", llround (0.8), 1); + check_longlong ("llround(-0.8) = -1", llround (-0.8), -1); + check_longlong ("llround(1.5) = 2", llround (1.5), 2); + check_longlong ("llround(-1.5) = -2", llround (-1.5), -2); + check_longlong ("llround(2097152.5) = 2097153", + llround (2097152.5), 2097153); + check_longlong ("llround(-2097152.5) = -2097153", + llround (-2097152.5), -2097153); + check_longlong ("llround(34359738368.5) = 34359738369", + llround (34359738368.5), 34359738369ll); + check_longlong ("llround(-34359738368.5) = -34359738369", + llround (-34359738368.5), -34359738369ll); } @@ -4811,11 +4898,11 @@ main (int argc, char *argv[]) floor_test (); nearbyint_test (); rint_test (); - rinttol_test (); - rinttoll_test (); + lrint_test (); + llrint_test (); round_test (); - roundtol_test (); - roundtoll_test (); + lround_test (); + llround_test (); trunc_test (); /* remainder functions */ |